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Finding the Fourth Proportional to 326,306.76, 450,461.54 and 218,837.48

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Solution

The fourth proportional to 326,306.76, 450,461.54 and 218,837.48 is: 302,101.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,306.76 : 450,461.54 = 218,837.48 : x
  2. Step 2: Convert to fraction form
    326,306.76/450,461.54 = 218,837.48/x
  3. Step 3: Cross multiply
    326,306.76x = 450,461.54 × 218,837.48
  4. Step 4: Simplify right side
    326,306.76x = 98,577,868,250.52
  5. Step 5: Solve for x
    x = 98,577,868,250.52/326,306.76
  6. Step 6: Final answer
    x = 302,101.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.